Philippa, J.D.W.

virus fluenza vaccination vaccine species antibody titre order response strain infection outbreak antibody response body weight weight fluenza virus h 5n vaccine chicken vaccinated h 7 aiv post-vaccination ef ficacy group philippa taxonomic orders booster vaccination anseriforme turkey measure ≥40 poultry taxonomic galliforme phoenicopteriforme animal serum netherland number 6 weeks interval h 7n vaccine haemagglutination prototype strains pathol finement 30–60 days european goose inhibition h 7 vaccination interval struthioniforme fluenza viruses ficacy serum antibody titres h 1n virus signi ficant differences haemagglutination inhibition test antigenic clade administration zoo birds antibody titres vaccine dose vaccinated birds pelecaniforme mallard fluenza h 5n 3800–3808 van amerongen g difference h 5n viruses 5743–5750 hong kong fouchier ra prototype 0.5 ml booster ef ficacious hi test gruiforme